Re: Re: GPG for SMS?

[rhn]

> Vinzenz Hersche <hersche at puzzle.ch> writes:
> > because they are uncrypt. and the gsm-connection isn't secure, some
> 
> I thought they are encrypted just like calls. I asked this on
> #gnuradio too:
> 
> 18:36 < lindi-> hi, i looked at the openbts SMS stack to figure out if
> SMS messages are encrypted or not but could not figure it out. Any
> idea if they are?
> 20:06 < gamma__> lindi-: they are
> 
> > there is a programm, wich could crypt sms, but it's not gpl. it is
> > open source, but just the demo-version is free for downloads and use.
> 
> http://sites.google.com/site/smscrypt/files/SMSCryptLiteDemo.zip?attredirects=0
> 
> does not seem to contain any source code or copyright information.
> 
> 

If they are encrypted, they probably are encrypted on the way to the operator only, so the operator can probably see the content.

About calls - I remember I saw a documentary in which the calls interfered with TV sets, which allowed to hear the conversations. That would imply unencrypted.